.banner_second {
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 320px;
}
.banner_second .banner_second_tit {
    font-family: "Microsoft YaHei";
    z-index: 100;
    position: absolute;
    left: 180px;
    font-size: 32px;
    line-height: 320px;
    color:#D0D9E6;
}
.banner_second .banner_second_tit:nth-of-type(2) {
    z-index: 100;
    position: absolute;
    left: 180px;
    font-size: 24px;
    top: 50px; }

.banner_second img {
    min-width: 100%;
    /*position: absolute;*/
    height: 320px;
padding-top: 60px;
}
.f18{
    font-size: 18px;
}
.solution {
    width: 100%;
}
.solution .solution_list {
    margin-top:80px;
    margin-bottom: 74px;
    width: 100%;
}
.solution_list_con {
    width: 1200px;
    margin: 0 auto;
}
 .solution-tit {
    margin-bottom: 50px;
    text-align: center;
}
.tit_a {
    color: #333333;
    font-size: 26px;
}
.tit_b {
    margin-top: 20px;
    color: #666666;
    font-size: 18px;
}
.solution_list_con_ul {
    width: 100%;
    height: 280px;
    display: flex;
    justify-content:space-between;

}
 .solution_list_con_ul li {

    margin-right: 40px;
    text-align: center;
 }
 .solution_list_con_ul li img {
    width: 286px;
    height: 232px;
    margin-bottom: 20px;
 }
.solution_list_con_ul li a {
    color: #333333;
    display: block;
    text-decoration: none;
}
.solution_list_con_ul li a:hover {
    color: #005aaa;
}
.solution_list_con_ul li:nth-of-type(4) {
    margin: 0;
}
 .case {
    margin-bottom: 80px;
    width: 100%;
}
.case_con {
    width: 1195px;
    margin: 0 auto;
}
.case_con .tit {
    padding-top: 80px;
    margin-bottom: 50px;
    text-align: center;
}
.li_tit a{
    text-decoration: none;

}
.tit-a {
    color: #333333;
    font-size: 18px;
 }
.tit-b {
    margin-top: 20px;
    color: #666666;
    font-size: 14px;
}
.case_con .case_con_ul {
    display: flex;
    justify-content:space-between;
    width: 100%;
    height: 365px;
}
.case_con .case_con_ul li {
    width: 385px;
    margin-right: 20px;
}
.case_con_ul li img {
    width: 385px;
    height: 232px;
}
 .case_con_ul li .li_tit {
    height: 130px;
    margin-top: -9px;
    border: 1px solid #e6e6e6;
    padding: 0 20px;
}
.case_con_ul li .li_tit .tit-a {
    margin-top: 20px;
    margin-bottom: 10px;
    color: #333333;
}
.case_con_ul li .li_tit .tit-b {
    color: #666666;
}
.case_con_ul li:nth-of-type(3) {
    margin: 0;
}
.case_con .more {
    text-align: right;
    display: inline-block;
    width: 100%;
    margin-top: 15px;
    font-size: 18px;
    color: #005aaa;
    font-weight: bold;
}
.more img {
    margin-left: 5px;
}
.icon {
    width: 100%;
    height: 295px;
    background: #fafafa;
}
.icon .icon_con {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.icon .icon_con ul {
    width: 100%;
    height: 100%;
}
 .icon_con ul li {
    height: 240px;
    margin-top: 25px;
    float: left;
    width: 399px;
    border-right: 1px solid #e5e5e5;
    text-align: center;
}
.icon .icon_con ul li img {
    margin-top: 20px;
    height:47px;
   margin-left:15px;
}
.icon_con ul li .tit-a {
    color: #333333;
    margin-top: 20px;
    margin-bottom: 10px;
}
.icon_con ul li .tit-b {
    color: #666666;
    margin-bottom: 35px;
}
.icon .icon_con ul li a {
    color: #005aaa;
    font-size: 14px;
}
.icon .icon_con ul li:hover {
    box-shadow: 0 0 30px 6px #efefef;
}
.icon .icon_con ul li:nth-of-type(3) {
    border: none;
}